BR112016028848A2 - multilayer films and articles made of the same - Google Patents

multilayer films and articles made of the same

Info

Publication number
BR112016028848A2
BR112016028848A2 BR112016028848A BR112016028848A BR112016028848A2 BR 112016028848 A2 BR112016028848 A2 BR 112016028848A2 BR 112016028848 A BR112016028848 A BR 112016028848A BR 112016028848 A BR112016028848 A BR 112016028848A BR 112016028848 A2 BR112016028848 A2 BR 112016028848A2
Authority
BR
Brazil
Prior art keywords
polymer blend
same
multilayer film
layers
polyethylene polymer
Prior art date
Application number
BR112016028848A
Other languages
Portuguese (pt)
Other versions
BR112016028848B1 (en
Inventor
Arteaga Larios Fabricio
A Degroot Jacqueline
Kalihari Vivek
Original Assignee
Dow Global Technologies Llc
Dow Quim Mexicana S A De C V
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Llc, Dow Quim Mexicana S A De C V filed Critical Dow Global Technologies Llc
Publication of BR112016028848A2 publication Critical patent/BR112016028848A2/en
Publication of BR112016028848B1 publication Critical patent/BR112016028848B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • A61F13/51462—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable being defined by a value or parameter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
    • A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
    • A61F13/5148—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers having an impervious inner layer and a cloth-like outer layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B32B27/205—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents the fillers creating voids or cavities, e.g. by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
    • A61F2013/51415—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours with pores
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51441—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material
    • A61F2013/51452—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material being nonwovens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F2013/51472—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties for reducing noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care
    • B32B2555/02—Diapers or napkins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/678—Olefin polymer or copolymer sheet or film [e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.]

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Dermatology (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

aqui divulgada está uma película de multicamadas que compreende uma camada de núcleo; e duas camadas de pele; em que a camada de núcleo está posicionada entre as duas camadas da pele; em que a camada de núcleo compreende uma mistura de polímero de polietileno, a mistura de polímero de polietileno compreendendo pelo menos 40% por peso da mistura de polímero de polietileno, de um polímero à base de etileno tendo uma densidade de 0,900-0,940 g/cc e um índice de fusão de 0,7 -6 g/10 min, em que a mistura de polímero de polietileno tem uma densidade global de cerca de 0,910-0,950 g/cc e um índice de fusão de cerca de 0,7-6 g/10 min; e em que cada camada de pele compreende, independentemente, um polímero à base de propileno; e em que a película de multicamadas compreende ainda um agente de enchimento, estando presente em uma ou mais camadas da película de multicamadas do material de enchimento.disclosed herein is a multilayer film comprising a core layer; and two layers of skin; wherein the core layer is positioned between the two skin layers; wherein the core layer comprises a polyethylene polymer blend, the polyethylene polymer blend comprising at least 40% by weight of the polyethylene polymer blend of an ethylene-based polymer having a density of 0.900-0.940 g / cc and a melt index of 0.7 -6 g / 10 min, wherein the polyethylene polymer blend has an overall density of about 0.910-0.950 g / cc and a melt index of about 0.7- 6 g / 10 min; and wherein each skin layer independently comprises a propylene-based polymer; and wherein the multilayer film further comprises a filler being present in one or more layers of the multilayer film of the filler material.

BR112016028848-3A 2014-06-12 2015-06-12 MULTI-LAYER FILM AND ULTRASOUND BOUND LAMINATED FILM BR112016028848B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462011227P 2014-06-12 2014-06-12
US62/011,227 2014-06-12
PCT/US2015/035456 WO2015191944A1 (en) 2014-06-12 2015-06-12 Multilayer films, and articles made therefrom

Publications (2)

Publication Number Publication Date
BR112016028848A2 true BR112016028848A2 (en) 2017-08-22
BR112016028848B1 BR112016028848B1 (en) 2022-01-04

Family

ID=53484187

Family Applications (2)

Application Number Title Priority Date Filing Date
BR112016029015-1A BR112016029015B1 (en) 2014-06-12 2015-06-12 MULTILAYER FILM AND ULTRASOUND LINKED LAMINATE
BR112016028848-3A BR112016028848B1 (en) 2014-06-12 2015-06-12 MULTI-LAYER FILM AND ULTRASOUND BOUND LAMINATED FILM

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR112016029015-1A BR112016029015B1 (en) 2014-06-12 2015-06-12 MULTILAYER FILM AND ULTRASOUND LINKED LAMINATE

Country Status (9)

Country Link
US (2) US20150360449A1 (en)
EP (2) EP3154777A1 (en)
JP (3) JP6963498B2 (en)
KR (2) KR102309064B1 (en)
CN (2) CN106457807B (en)
AR (2) AR100866A1 (en)
BR (2) BR112016029015B1 (en)
TW (2) TWI737580B (en)
WO (2) WO2015191944A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3214116B1 (en) 2016-03-03 2021-06-23 Dow Global Technologies LLC Breathable films and method of making the same
CA3022415C (en) * 2016-04-29 2021-10-26 Certainteed Gypsum, Inc. Building assembly containing a water barrier coating film and method of making the building assembly
ES2820273T3 (en) * 2016-09-29 2021-04-20 Dow Global Technologies Llc Multilayer coextruded film to control fat migration
EP3541618B1 (en) * 2016-11-18 2023-04-05 Berry Film Products Company, Inc. Breathable films having increased hydrostatic head pressure
CN106945368A (en) * 2017-03-29 2017-07-14 昆山金盟塑料薄膜有限公司 A kind of high-temperature resistant membrane and preparation method thereof
CN107351497A (en) * 2017-07-17 2017-11-17 安徽国风塑业股份有限公司 A kind of sense of touch type is without silane coupling agent BOPP precoating basement membranes and preparation method thereof
WO2021045711A1 (en) * 2019-09-05 2021-03-11 T.C. Marmara Üni̇versi̇tesi̇ Ultrasonic sewing use in multi-axial surface production method
JP2022552099A (en) 2019-10-18 2022-12-15 ダウ グローバル テクノロジーズ エルエルシー laminate
US20210154905A1 (en) * 2019-11-26 2021-05-27 Inteplast Group Corporation Embossed film
JP7092954B1 (en) * 2020-11-13 2022-06-28 株式会社瑞光 Manufacturing method and manufacturing equipment for stretchable laminated sheets, disposable wipes, stretchable laminated sheets
TWI804826B (en) * 2021-03-11 2023-06-11 臺灣塑膠工業股份有限公司 Polypropylene composite film and manufacturing method thereof and sanitary product including polypropylene composite film
CN118215705A (en) * 2021-11-25 2024-06-18 陶氏环球技术有限责任公司 Biaxially oriented polyolefin film
EP4241985A1 (en) * 2022-03-11 2023-09-13 Borealis AG Multilayer film
WO2023192469A1 (en) * 2022-03-31 2023-10-05 Berry Global, Inc. Breathable and puncture resistant laminates
WO2023227969A1 (en) * 2022-05-25 2023-11-30 Nova Chemicals (International) S.A. Polymer blend and multilayer film structure

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076698A (en) 1956-03-01 1978-02-28 E. I. Du Pont De Nemours And Company Hydrocarbon interpolymer compositions
CA849081A (en) 1967-03-02 1970-08-11 Du Pont Of Canada Limited PRODUCTION OF ETHYLENE/.alpha.-OLEFIN COPOLYMERS OF IMPROVED PHYSICAL PROPERTIES
US3914342A (en) 1971-07-13 1975-10-21 Dow Chemical Co Ethylene polymer blend and polymerization process for preparation thereof
US4599392A (en) 1983-06-13 1986-07-08 The Dow Chemical Company Interpolymers of ethylene and unsaturated carboxylic acids
US5272236A (en) 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
US5582923A (en) 1991-10-15 1996-12-10 The Dow Chemical Company Extrusion compositions having high drawdown and substantially reduced neck-in
US5278272A (en) 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
JP3511398B2 (en) * 1994-03-25 2004-03-29 花王株式会社 Absorbent articles
US5693488A (en) 1994-05-12 1997-12-02 The Rockefeller University Transmembrane tyrosine phosphatase, nucleic acids encoding the same, and methods of use thereof
US6309736B1 (en) * 1994-12-20 2001-10-30 Kimberly-Clark Worldwide, Inc. Low gauge films and film/nonwoven laminates
ZA9510604B (en) * 1994-12-20 1996-07-03 Kimberly Clark Co Low gauge films and film/nonwoven laminates
JP3258534B2 (en) 1995-07-28 2002-02-18 タイコエレクトロニクスアンプ株式会社 Female contact
US6114024A (en) * 1995-08-01 2000-09-05 Kimberly-Clark Worldwide, Inc. Multilayer breathable film
JP3654462B2 (en) * 1996-03-04 2005-06-02 三井化学株式会社 Breathable sheet
US5843057A (en) * 1996-07-15 1998-12-01 Kimberly-Clark Worldwide, Inc. Film-nonwoven laminate containing an adhesively-reinforced stretch-thinned film
US6776947B2 (en) 1996-07-31 2004-08-17 Exxonmobil Chemical Company Process of adjusting WVTR of polyolefin film
US5947944A (en) * 1996-12-30 1999-09-07 Kimberly-Clark Worldwide, Inc. Stretched-thinned films comprising low crystallinity polymers and laminates thereof
JP3688425B2 (en) * 1997-03-28 2005-08-31 サンアロマー株式会社 Resin composition
US6589638B1 (en) * 1997-09-15 2003-07-08 Kimberly-Clark Worldwide, Inc. Stretch-pillowed bulked laminate useful as an ideal loop fastener component
US6238767B1 (en) * 1997-09-15 2001-05-29 Kimberly-Clark Worldwide, Inc. Laminate having improved barrier properties
US6045900A (en) * 1997-09-15 2000-04-04 Kimberly-Clark Worldwide, Inc. Breathable filled film laminate
US6072005A (en) * 1997-10-31 2000-06-06 Kimberly-Clark Worldwide, Inc. Breathable films and process for producing them
JP3366879B2 (en) * 1998-06-08 2003-01-14 旭化成株式会社 Polyolefin resin film
JP3403666B2 (en) * 1998-06-08 2003-05-06 旭化成株式会社 Soft polyolefin resin composition
AU2222200A (en) * 1998-12-30 2000-07-31 Kimberly-Clark Worldwide, Inc. Pattern embossed multilayer microporous films
US6465091B1 (en) * 2000-03-27 2002-10-15 3M Innovative Properties Company Release article and adhesive article containing a polymeric release material
US6821915B2 (en) * 2000-05-03 2004-11-23 Kimberly-Clark Worldwide, Inc. Film having high breathability induced by low cross-directional stretch
KR100532644B1 (en) * 2001-01-15 2005-12-01 쇼와 덴코 플라스틱 프로덕츠 가부시키가이샤 Laminate and Container
JP2002210873A (en) * 2001-01-16 2002-07-31 Shin Etsu Polymer Co Ltd Film for packaging food
US6638636B2 (en) * 2001-08-28 2003-10-28 Kimberly-Clark Worldwide, Inc. Breathable multilayer films with breakable skin layers
US20030106560A1 (en) * 2001-12-12 2003-06-12 Kimberly-Clark Worldwide, Inc. Nonwoven filled film laminate with barrier properties
US6764566B1 (en) * 2001-12-12 2004-07-20 Kimberly-Clark Worldwide, Inc. Nonwoven filled film laminate with barrier properties
AU2002330257A1 (en) * 2001-12-12 2003-06-23 Kimberly-Clark Worldwide, Inc. Nonwoven filler laminate with barrier properties
AU2003268092A1 (en) * 2002-09-16 2004-04-30 Dow Global Technologies Inc. High clarity, high stiffness films
JP2004186063A (en) * 2002-12-05 2004-07-02 Sumitomo Wiring Syst Ltd Wire harness protecting member
US7381666B2 (en) * 2002-12-20 2008-06-03 Kimberly-Clark Worldwide, Inc. Breathable film and fabric having liquid and viral barrier
US7312167B2 (en) * 2002-12-23 2007-12-25 Kimberly-Clark Worldwide, Inc. Breathable multilayer films for use in absorbent articles
JP2004284161A (en) 2003-03-20 2004-10-14 Sekisui Film Kk Polyolefinic heat-shrinkable film
BRPI0413766B1 (en) 2003-09-05 2014-01-28 Polyethylene extrusion composition, use of a composition, process for extruding a polymeric material onto a substrate and polymeric film layer
US20050118435A1 (en) * 2003-12-01 2005-06-02 Kimberly-Clark Worldwide, Inc. Films and methods of forming films having polyorganosiloxane enriched surface layers
EP1745171B1 (en) 2004-04-30 2012-01-18 Dow Global Technologies LLC Improved fibers for polyethylene nonwoven fabric
JP2006007489A (en) * 2004-06-23 2006-01-12 Sekisui Film Kk Multilayered heat-shrinkabile polyolefin film
CA2601330A1 (en) * 2005-03-17 2006-09-28 Dow Global Technologies Inc. Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates
US7550400B2 (en) * 2005-08-02 2009-06-23 Exxonmobil Chemical Patents Inc. Multiple layer nonwoven fabric structures
WO2007081548A2 (en) 2006-01-06 2007-07-19 Pliant Corporation Method of stretching a filled film to make it microporous and breathable
EP2052857A1 (en) * 2007-10-22 2009-04-29 Dow Global Technologies Inc. Multilayer films
BRPI0906757A2 (en) * 2008-01-24 2015-08-18 Procter & Gamble Extursion-bound laminates for absorbent articles
EP2141016A1 (en) * 2008-07-01 2010-01-06 Dow Global Technologies Inc. Films, articles prepared therefrom and methods of making the same
US8664129B2 (en) * 2008-11-14 2014-03-04 Exxonmobil Chemical Patents Inc. Extensible nonwoven facing layer for elastic multilayer fabrics
CN101747548A (en) * 2008-12-16 2010-06-23 金发科技股份有限公司 Compound for preparation of high-strength polyolefin permeable membrane and preparation method thereof
US20100215923A1 (en) * 2009-02-24 2010-08-26 Tredegar Film Products Corporation Elastic film laminates with tapered point bonds
EP3473673A1 (en) * 2010-06-14 2019-04-24 Dow Global Technologies, LLC Fiber comprising ethylene-based polymer compositions
RU2014144332A (en) * 2012-04-06 2016-05-27 Юнивейшн Текнолоджиз, Ллк POLYMERS, POLYMERIC MIXTURES AND PRODUCTS FROM THEM
US9469091B2 (en) * 2012-08-08 2016-10-18 3M Innovative Properties Company Method of making extensible web laminates
CN203093239U (en) * 2013-02-26 2013-07-31 浙江越韩科技透气材料有限公司 Multi-layer co-extrusion breathable film

Also Published As

Publication number Publication date
EP3154777A1 (en) 2017-04-19
EP3154776B1 (en) 2022-01-19
TWI737580B (en) 2021-09-01
CN106457807A (en) 2017-02-22
KR102309063B1 (en) 2021-10-08
CN106457807B (en) 2021-02-05
BR112016028848B1 (en) 2022-01-04
JP2020147043A (en) 2020-09-17
US20150360449A1 (en) 2015-12-17
JP6807836B2 (en) 2021-01-06
JP2017517424A (en) 2017-06-29
BR112016029015A2 (en) 2017-08-22
AR100830A1 (en) 2016-11-02
EP3154776A1 (en) 2017-04-19
JP6963498B2 (en) 2021-11-10
CN106457806B (en) 2020-07-10
KR102309064B1 (en) 2021-10-08
CN106457806A (en) 2017-02-22
WO2015191942A1 (en) 2015-12-17
WO2015191944A1 (en) 2015-12-17
CN106457806A8 (en) 2017-07-04
TW201609412A (en) 2016-03-16
TWI674971B (en) 2019-10-21
TW201601920A (en) 2016-01-16
JP2017517423A (en) 2017-06-29
BR112016029015B1 (en) 2021-07-27
AR100866A1 (en) 2016-11-09
KR20170044614A (en) 2017-04-25
US20160000615A1 (en) 2016-01-07
KR20170044636A (en) 2017-04-25
JP6993462B2 (en) 2022-01-13

Similar Documents

Publication Publication Date Title
BR112016028848A2 (en) multilayer films and articles made of the same
AR101002A1 (en) BREATHABLE FILMS AND ITEMS THAT INCLUDE THEM
BR112018008995A2 (en) process for making a multilayer film, process for making a multilayer non-breathable film, multilayer film, multilayer non-breathable film, multilayer partially breathable film and toiletries
BR112016029258A2 (en) cast films with improved toughness
BR112018000507A2 (en) Process for manufacturing a microporous breathable film, microporous breathable film, multilayer breathable barrier film and personal care product
BR112021018723A2 (en) Multilayer film and stretch cover
BR112016017565A2 (en) PACKAGING FILM
BR102015011912A2 (en) multi-layer film for reusable closure packaging having improved reseal
AR086233A1 (en) MOVIES WITH HIGH DENSITY POLYETHYLENE MIX
BR112019004415A2 (en) multilayer films and laminates and articles comprising the same
BR112017012842A2 (en) multilayer movie of mdo
BR112017011620A2 (en) shrink film with an absorbent nir coating, and methods for making the same
BR112018074666A2 (en) Multilayer oriented shrink film, and, container label.
BR112016028445A2 (en) films with abrasion resistance, clarity and conformability
BR112016018181A2 (en) MULTI-LAYER POLYOLFIN FILMS, METHODS OF MANUFACTURING THEREOF AND ARTICLES COMPRISING THEM
BR112017018673A2 (en) protective films, mixtures and methods for making the same
BR112018010547A2 (en) multi-layer polyethylene films and articles made of the same
BR112017002865A2 (en) polyethylene-based composite films and articles made of polyethylene
AR107769A1 (en) BREATHABLE FILMS AND THEIR MANUFACTURING METHOD
CO2021007445A2 (en) Blown Film Materials and Procedures for Their Manufacture and Uses
BR112018012700A2 (en) packing film
BR112016012515A2 (en) PRESTRETCHED PACKAGING FILM
BR112018004216A2 (en) multilayer greenhouse film with superior anti-drip performance
BR112019005873A2 (en) multilayer film and pouch with the same
AR111950A1 (en) MULTILAYER AND LAMINATE FILMS CONTAINING SLIDING AGENTS

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/06/2015, OBSERVADAS AS CONDICOES LEGAIS.